Improved snow-plow



UNITED STATES PATENT OEETcEc ROBERT B. NEVENS, OF LOWELL, MASSACHUSETTS.

IMPROVED sNow-PLow.

Specification forming part of Letters Patent No. 58,1211, datedSeptember 18, 18663.

To all whom t may concern:

Be it known that I, ROBERT B'. NEvENs, of Lowell, in the county ofMiddlesex and State of Massachusetts, have invented a new and usefulImprovement in Snow-Blows, of which the following is a full, clear, andexact description,reference being had to the accompanying drawings,makin g part of this specification, in whichi Figure l is a plan or topview; Fig. 2, a side elevation, and Fig. 3 a transverse section.

'I construct my improved snow-plow in the form ot" a triangle, thelongest side of which is generally one or more times as long as eitherJot the other sides, which are equal.

The long side consists of a beam or fence, A, which has a perpendicularface, a., and the back side is beveled at b, terminating in a' sharpedge, c, at the lower front corner.

A metallic facing, d, is secured to the perpendicular side of the fenceA, the lower edge of which facing extends downward below the feneeA andhas a thin lower edge. The equal sides B B are joined together at e, andtheir other ends are firmly secured to the fence A at f.

A transverse leveli ng-beam, O, extends from the junction ot' the sidesB B to the fence A, at right angles with said fence, and is securedthereto and to the sides B B at a'.

Two load-platforms, D D, are affixed to the fence A and sides B B, abouthalf-way from the leveling-beam C, to the extremities of -the fence A. l

Two n'iold-boards, E E, rise from the top of the annular sides B B, andare held in position by pins or other suitable fastenings.

Hooks l 2 3 are secured to each of the sides B B, at suitable distancesapart for chains F, G, and H to connect, by which the plow is drawn andguided.

The center draft-chain, G, is intended to take most of the strain whenthe plow is in use, and the auxiliary brace-chains F and H serve toguide the plow, and prevent it from swinging laterally to any extent.The auxiliary brace-chains are connected with the center draft-chain byhooks g and h, and may be tightv ened or slackened by hookingintodift'erent links 4 5. 6 7 8 901;' the center draft-chain, several`of which are provided for that purpose.

My improved snow-plow is designed for breaking out town-roads, which arefrequently graded around side-hills, where it is necessary to move thesnow oli' at one side, but may be used `on any common road, and, as bothends of said plow are alike, it may be drawn in either direction byremoving the chains from one end and hooking them on at the other..

As my improved snow-plow enters and passes through the snow (in eitherdirection) the' fence A and facing d present sufficient resistingsurfaceto prevent the plow from being moved sidewise when the snow is beingforced outward by either of the inclined or angular sides B B 0rmold-boards E E.

.The leveling-beam C serves to level oft" any inequalities, and to fillup cavities which the plow might pass over.

After t-he road has been plowed out, the furrow may be considerablywidened by ruiming the fence A along in the middle portion of saidfurrow. The lower edge ot' the facing' d cutting into the snow exertssufficient resistance laterally to cause either of the angular sides toforce the snow out-ward and form a wider track.

1f teams are met in plowing out roads, my improved plow may be easilyvturned upon its side, as shown in Fig. 2, teams allowed to passftheplow turned down to its working position, and plowing resumed withoutthe inconvenience ot' shoveling around it to get auother team past, asis common with all ordinary snow-breakers used on country-roads.

I claim- 1. The combination and arrangelnent of the fence A and facingd, sides B B, leveling-beam O, and 1nold-boards E E, substantially asand for the purpose set forth.

2. In combination with a snow-plow constructed and arranged as abovestated, the employment ofthe auxiliary brace-chains F and H, connectedwith the center draft-chain, G, substantially in the manner and for thepurpose speciied.` 1

JoHN E. CRANE, ALVIN LAWRENGE.

